2026 VERIFIED QUESTIONS AND CORRECT
ANSWERS
⩥ Where does the Calvin cycle occur? Answer: in the stroma of a
chloroplast
⩥ The light reactions of photosynthesis use _____ and produce _____.
Answer: water.... NADPH
⩥ _____ has a longer wavelength than _____. Answer: red...green
⩥ What enzyme phosphorylates ADP to make ATP? Answer: ATP
synthase
⩥ _____ releases energy that is used to pump hydrogen ions from the
stroma into the thylakoid compartment. Answer: electron transport chain
⩥ _____ splits water into 1/2 O2, H+, and e- . Answer: photosystem II
⩥ Energized electrons from ____ enter an electron transport chain and
are then used to reduce NADP+. Answer: photosystem I
, ⩥ Chlorophyll can be found in _____. Answer: photosystems I & II
⩥ The light reactions of photosynthesis supply the Calvin cycle with
Answer: ATP and NADPH
⩥ Which of the following sequences correctly represents the flow of
electrons during photosynthesis? Answer: H2O ---> NADPH ---> Calvin
cycle
⩥ True or false- Oxygen is produced during the Calvin cycle? Answer:
false
⩥ Plants are photoautotrophs. What does this mean? Answer: They are
among the producers of the biosphere. They make their own food from
inorganic materials. They are in the same category as algae and
cyanobacteria. They use light energy to drive the synthesis of organic
molecules
⩥ The ultimate source of energy to support most life on Earth is _____.
Answer: sunlight
⩥ The photosynthetic membranes are found in the _____ in plant cells.
Answer: chloroplasts